Echdynnu Haearn
Quiz
•
Chemistry
•
6th - 10th Grade
•
Practice Problem
•
Medium
E Evans
Used 49+ times
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11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa ddeunydd crai sy'n tynnu'r amhureddau?
golosg
aer poeth
calchfaen
mwyn haearn
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa ddeunydd crai sy'n ffynhonell o garbon?
golosg
aer poeth
calchfaen
mwyn haearn
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa ddeunydd crai sy'n ffynhonell o haearn?
golosg
aer poeth
calchfaen
mwyn haearn
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa ddeunydd crai sy'n galluogi llosgi'r golosg?
golosg
aer poeth
calchfaen
mwyn haearn
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Nodwch y cynhyrchion sy'n dod o'r ffwrnais chwyth
Calchfaen
Slag
Haearn
Golosg
Ocsigen
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Caiff llawer o'r haearn ei newid i mewn i ddur sy'n ________ haearn.
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
___ + O2 --> CO2
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